Compositions – Electrically conductive or emissive compositions – Metal compound containing
Patent
1981-06-22
1983-06-28
Willis, Jr., P. E.
Compositions
Electrically conductive or emissive compositions
Metal compound containing
134 40, 252135, 252156, 252158, 25217416, 252530, 252DIG14, 252DIG17, C11D 1825, C23G 114
Patent
active
043904653
ABSTRACT:
A preparation of an aqueous pre-treatment working solution for ferrous metals, wherein the composition includes in its formulation a composite alkaline builder including sodium hydroxide, sodium metasilicate, and sodium carbonate, water conditioners including sodium tripolyphosphate and tetrasodium ethylenediaminetetraacetate, a brightener consisting of alpha-sodium glucoheptonate dihydrate, a surfactant including a mixture of the sodium salt of petroleum sulfonic acid and linear ethoxylated alcohol organic phosphate ester complex, and a modified straight chain aliphatic polyether, and an emulsion coupling agent consisting of hexylene glycol. The formulation may be utilized at a temperature which is only very slightly or modestly elevated above ambient, and may be cooled so as to demulsify the soil retaining oils prior to disposal.
REFERENCES:
patent: 2990374 (1961-06-01), Schwartz
patent: 3039970 (1962-06-01), Krueger et al.
patent: 3312624 (1967-04-01), Dupre et al.
patent: 3650831 (1972-03-01), Jungermann et al.
patent: 4048121 (1977-09-01), Chang
Krupin, "Phosphate Ester Surfactants-Newer Uses", Soap & Chemical Specialties, May 1969, pp. 86, 87.
Fremont Industries, Inc.
Haugen Orrin M.
Nikolai Thomas J.
Willis, Jr. P. E.
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